<strong>文字内容</strong>
<hr>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h1>一级标签</h1>
    <p><b>段落内容加粗</b></p>
    <s>删除线</s>
    <u>下划线</u>
    <i>斜体</i>

    <ul>
        <li>无序列表1</li>
        <li>无需列表2</li>
    </ul>

    <ol>
        <li>有序列表1</li>
    </ol>
    <!-- 表格 -->
    <table border="1"> 
        <tr>
            <th>列标题1</th>
            <th>列标题2</th>
            <th>列标题3</th>
        </tr>
        <tr>
            <td colspan="2">元素1</td>
            <!-- <td>元素2</td> -->
            <td rowspan="2">元素3</td>
        </tr>
        <tr>
            <td>元素4</td>
            <td>元素5</td>
            <!-- <td>元素6</td> -->
        </tr>

        
    </table>

    <img src="./Predator_Wallpaper_01_3840x2400.jpg" alt="图片不能显示" title="宏碁桌面图片" width="200">
    <video src="" controls ></video>
    <audio src=""controls></audio>
    <!-- 定义列表 -->
    <dl>
        <dt><a href="https://pro.jd.com/mall/active/ry1HYp4KL1YVFfX6C84LJ563kHE/index.html">电脑</a></dt>
        <dd><a href="https://list.jd.com/list.html?cat=670,671,1105">游戏电脑</a></dd>
        <dd><a href="https://list.jd.com/list.html?cat=670,671,672">办公电脑</a></dd>
    </dl>

    <input type="text" placeholder="请输入密码" >
    <br>
    <input placeholder="1235">
    <br>
    <input type="password">
    <br>
    <!-- 表单 -->
    男<input type="radio">
    女<input type="radio">
    <br>
    <input type="radio"name="gender">男
    <input type="radio"name="gender">女
    <br>
    1<input type="checkbox">
    2<input type="checkbox">
    3<input type="checkbox">
    <br>
    1<input type="file">
    <br>
    <textarea placeholder="请输入文本"></textarea>
    <br>
    <form >
        <input type="text" placeholder="请输入密码" >
        <button type="reset">重置</button>
        
    </form>
   <div>这是换行的文本标签</div>
   <span>这是不换行的文本标签</span>
</body>
</html>
<!--  -->

